Autochapter — Turn Any Audio Into Chapters, Right on Your Mac Autochapter is the fastest way to transform spoken audio into clean, readable text and ready-to-use podcast chapters
Autochapter — Turn Any Audio Into Chapters, Right on Your Mac Autochapter is the fastest way to transform spoken audio into clean, readable text and ready-to-use podcast chapters. Drop in an MP3, pick a language, and watch your Mac transcribe the entire file locally — no uploads, no subscriptions, no waiting in a cloud queue. Built natively for macOS with Apple's latest on-device Speech framework, Autochapter runs entirely on your machine. Your recordings never leave your Mac. That means total privacy for sensitive interviews, unreleased episodes, client conversations, lectures, and personal notes — and it means transcription speed limited only by your hardware, not someone else's server. WHY PODCASTERS LOVE IT Writing chapter markers by hand is tedious. Listening back through a 90-minute episode just to find the moment a topic shifts is worse. Autochapter gives you a complete, time-aligned transcript in minutes, so you can scan an entire conversation at a glance, spot natural section breaks, and drop in chapter titles where they belong. Pair it with your favorite chapter editor and you'll cut hours out of every release cycle. WHY EVERYONE ELSE LOVES IT Autochapter isn't just for podcasters. Journalists use it to turn recorded interviews into searchable text. Students transcribe lectures and study sessions. Researchers pull quotes from field recordings. Writers capture voice memos and turn them into first drafts. Anyone who works with spoken audio benefits from having it in writing. FEATURES • On-device transcription — your audio stays on your Mac, always • Powered by Apple's modern Speech framework for high accuracy • Drag-and-drop or pick MP3 files with a single click • Live progress while your file is processed • English (US) and German (DE) language support • Clean, scrollable transcript view • Native SwiftUI design that feels right at home on macOS • No account, no sign-up, no subscription, no tracking • Tiny footprint, fast launch, minimal interface PRIVACY FIRST Many transcription tools quietly upload your audio to remote servers, where it can be stored, analyzed, or used to train models you'll never see. Autochapter does none of that. The Speech models run locally. The audio you import is read directly from disk under macOS's sandbox protections. Nothing is sent anywhere. If your Mac is offline, Autochapter still works (after the one-time language model download). HOW IT WORKS Launch Autochapter. Choose your language — English or German. Click the import button and select an MP3 file. Watch the progress bar as your audio is transcribed in real time. Read, scroll, copy, and paste the result wherever you need it. That's it. No projects to manage, no settings to wrestle with, no learning curve. The app does one thing and does it beautifully. DESIGNED FOR APPLE SILICON Autochapter takes full advantage of modern Macs. On Apple Silicon, transcription is fast, efficient, and quiet — no spinning fans, no battery drain spikes, no slowdown while you keep working in other apps. It feels like a native Mac tool because it is one, written from the ground up in Swift and SwiftUI for the latest macOS. WHO IT'S FOR • Podcasters preparing chapter markers and show notes • Journalists transcribing interviews • Students and researchers working with lectures and field recordings • Writers turning voice notes into drafts • Coaches, consultants, and therapists reviewing sessions privately • Anyone tired of paying monthly for cloud transcription NO SUBSCRIPTION. EVER. Buy it once. Use it forever. Autochapter is a one-time purchase with no hidden fees, no per-minute charges, no usage caps. Transcribe a five-minute memo or a five-hour archive — the price is the same. Download Autochapter today and give your spoken words the written form they deserve.
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